CN221089850U - Ejection mechanism of injection molding machine - Google Patents
Ejection mechanism of injection molding machine Download PDFInfo
- Publication number
- CN221089850U CN221089850U CN202322792875.7U CN202322792875U CN221089850U CN 221089850 U CN221089850 U CN 221089850U CN 202322792875 U CN202322792875 U CN 202322792875U CN 221089850 U CN221089850 U CN 221089850U
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- injection molding
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- oil pipe
- piston
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- 230000007246 mechanism Effects 0.000 title claims abstract description 84
- 238000001746 injection moulding Methods 0.000 title claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims description 54
- 238000003756 stirring Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 56
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of ejection mechanisms, in particular to an ejection mechanism of an injection molding machine, which aims at the problem that when an injection molding piece is ejected, uneven stress is easily caused to the injection molding piece, and cracking is caused.
Description
Technical Field
The utility model relates to the technical field of ejection mechanisms, in particular to an ejection mechanism of an injection molding machine.
Background
In each injection molding cycle, the plastic part must be taken out from the mold cavity, and the mechanism for completing the action of taking out the plastic part is an ejection mechanism, also called a demolding mechanism, so as to ensure that the plastic part and the castable of the pouring system are smoothly taken off from the mold without deformation;
According to bulletin number CN215472862U, an ejection mechanism of an injection molding machine is provided, which comprises an ejector rod, a fixed sleeve, an ejection guide plate, a connecting frame and a pushing element, wherein the ejector rod, the fixed sleeve, the ejection guide plate, the connecting frame and the pushing element are sequentially arranged from front to back, the pushing element is fixedly arranged on the injection molding machine, the ejection guide plate is fixedly connected with a pushing element push rod through the connecting frame, the fixed sleeve is arranged on the front side surface of the ejection guide plate, the ejector rod is provided with a guide part corresponding to the fixed sleeve, the guide part is slidably arranged in the fixed sleeve, the front end of the ejector rod extends out of the fixed sleeve, and a locking mechanism is arranged between the fixed sleeve and the ejector rod. In this design, ejector pin extension length can be adjusted to be applicable to different die cavity degree of depth injection molding ejecting operations, improved this ejection mechanism commonality.
According to the technical scheme, the single ejector rod is adopted to eject the injection molding part subjected to die opening, so that the problem of uneven stress on the injection molding part is easily caused, if a certain part of the integral injection molding part is adhered to the inner wall of the die, the problem of breakage is easily caused during ejection, and therefore the technical scheme provides an ejection mechanism of an injection molding machine, so that the problems in the prior art are solved
Disclosure of utility model
The utility model aims to solve the defects that in the prior art, when an injection molding piece is ejected, uneven stress and cracking are easily caused on the injection molding piece, and provides an ejection mechanism of an injection molding machine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an injection molding machine ejection mechanism, includes the bottom plate, and the equal fixed mounting in both sides of bottom plate has the support, and this ejection mechanism still includes:
the transmission mechanism is arranged on the two brackets;
The plurality of pushing mechanisms are positioned above the transmission mechanism, a first oil pipe and a second oil pipe are respectively arranged on the pushing mechanisms, and the bottom ends of the first oil pipe and the second oil pipe are connected with the transmission mechanism;
the driving motor is fixedly arranged at the top of the bottom plate, a driving mechanism is connected to the conveying shaft of the driving motor, one side of the driving mechanism is connected with the transmission mechanism, and the driving mechanism is used for transmitting power of the driving motor to the transmission mechanism.
In one possible design, the transmission mechanism comprises a tubular oil tank fixedly installed on two supports, a plurality of partition plates are fixedly installed on the inner wall of the tubular oil tank at equal intervals, the interior of the tubular oil tank is divided into a plurality of spaces, one transmission rod is tightly connected to the partition plates in a penetrating and sliding mode, a plurality of transmission plates are fixedly arranged on the transmission rod at equal intervals, the transmission plates are located in the corresponding spaces and are in sealing and sliding connection with the inner wall of the tubular oil tank, one end of each transmission rod extends to the outer side of the tubular oil tank and is connected with the driving mechanism, the bottom ends of the first oil pipe and the second oil pipe extend into the tubular oil tank and are fixedly connected with the inner wall of the top of the tubular oil tank, and the transmission plates are located between the corresponding first oil pipe and the second oil pipe.
In one possible design, the pushing mechanism includes a piston box located above the tubular oil tank, the top end of the first oil pipe extends into the piston box and is fixedly connected with one side bottom of the piston box, the top end of the second oil pipe extends into the piston box and is fixedly connected with the inner wall of the top of the other side of the piston box, the piston box is internally connected with the jacking component in a sealing sliding manner, and the top end of the jacking component extends to the upper side of the piston box and is used for ejecting injection molding pieces in the injection molding machine.
In one possible design, the jack-up assembly includes a piston plate that is sealingly and slidably connected in the piston box, the piston plate being located between the top end of the first oil pipe and the second oil pipe, a push rod being fixedly mounted on the top of the piston plate, the top end of the push rod penetrating through the top inner wall of the piston box and extending above the piston box, and a push plate being fixedly mounted on the top end of the push rod.
In one possible design, the driving mechanism comprises a sliding plate which is slidably connected to the top of the bottom plate, a threaded pipe is fixedly arranged on one side of the sliding plate, a screw is fixedly arranged on an output shaft of the driving motor, one end of the screw extends into the threaded pipe and is in threaded connection with the inner wall of the threaded pipe, the top of the bottom plate is rotationally connected with a rotating shaft, the top end of the rotating shaft is connected with a stirring combination, the top of the stirring assembly is connected with one end of a transmission rod, a gear is fixedly sleeved on the rotating shaft, a rack is fixedly arranged on the other side of the sliding plate, and the rack is meshed with the gear.
In one possible design, the stirring assembly comprises a rotating rod fixedly mounted at the top end of the rotating shaft, a blocking shaft is fixedly mounted on one side of the top of the rotating rod, an L-shaped rod is fixedly mounted at one end of the driving rod, the bottom of the L-shaped rod extends to the lower side of the tubular oil tank, a U-shaped plate is fixedly mounted on one side of the bottom of the L-shaped rod, and the top end of the blocking shaft extends into the U-shaped plate and is in transmission fit with the inner wall of the U-shaped plate.
According to the application, a plurality of piston boxes are arranged at the corresponding positions of the bottoms of the injection molding machines, perforations for placing the pushing disc are also formed in the lower die grooves of the injection molding machines, after the piston boxes are arranged, the pushing disc is positioned in the perforations and keeps the same horizontal height with the inner walls of the bottoms of the lower die grooves of the injection molding machines, after an injection molding part is cooled in the injection molding machines, a driving motor can be started to drive a screw rod to rotate, at the moment, under the action of threaded transmission of a threaded pipe, a sliding plate can be driven to transversely move along the length direction of a bottom plate, when the sliding plate moves, a rack can be driven to move, namely, under the action of meshed transmission of a gear, a rotating shaft can be driven to rotate, after the rotating shaft rotates, a rotating rod can be driven to rotate 180 DEG, at the moment, a baffle shaft can be driven to perform arc-shaped movement, under the action of transmission of the U-shaped rod, namely, the driving force of the driving motor can be transmitted to the driving rod to transversely move, when the driving rod moves, the driving rod moves close to a first oil pipe, the first oil pipe can be driven to move along the length direction of the piston plate, the piston plate can be moved up through the piston pipe, and the piston plate can be moved up to the corresponding oil pipe can be moved up through the piston plate, and the piston plate can be moved up to the piston plate when the piston plate is reversely moved, and the piston plate is moved up to the piston plate when the piston plate is reversely moved to move, namely, the piston plate can be moved up through the piston plate and the corresponding oil pipe can be moved to the piston plate when moved up to the piston plate and move plate and the piston plate and can move up through the corresponding plate and move plate upwards plate, the piston plate can be pushed downwards, and the pushing disc can be moved to the initial position, so that the injection molding machine works normally, and meanwhile, the technical aim of continuous ejection of injection molding pieces can be achieved.
According to the ejection mechanism of the injection molding machine, the plurality of pushing mechanisms can be controlled to move simultaneously after the driving mechanism is powered by the driving mechanism, so that the plurality of pushing mechanisms can be controlled to move simultaneously when finished injection molding pieces in the injection molding machine are ejected, and the movement of the plurality of pushing mechanisms is guaranteed to be completely consistent;
According to the ejection mechanism of the injection molding machine, the plurality of pushing mechanisms are arranged, so that the plurality of pushing mechanisms can be arranged at corresponding positions on the injection molding machine, and at the moment, the plurality of pushing mechanisms can apply force to the molded injection molding parts at multiple points when moving simultaneously, so that the injection molding parts can be uniformly stressed when being ejected, and the problem of breakage is avoided;
According to the utility model, after the plurality of piston boxes are arranged at the corresponding positions at the bottom of the injection molding machine, the plurality of ejector rods can be synchronously driven upwards by starting the driving motor, so that thrust is applied to the molded injection molding piece, and the injection molding piece can be uniformly stressed and cannot be broken when being ejected.
Drawings
FIG. 1 is a three-dimensional schematic view of an overall structure of an ejector mechanism of an injection molding machine according to the present utility model;
FIG. 2 is a schematic view of a portion A of the ejector mechanism of the injection molding machine according to the present utility model;
FIG. 3 is a three-dimensional schematic diagram of the internal structure of a piston box of an ejection mechanism of an injection molding machine;
FIG. 4 is a three-dimensional schematic view of the internal structure of a tubular oil tank of an ejector mechanism of an injection molding machine;
fig. 5 is a schematic diagram of a part B of fig. 4 of an ejector mechanism of an injection molding machine according to the present utility model.
In the figure: 1. a bottom plate; 2. a bracket; 3. a tubular oil tank; 4. a first oil pipe; 5. a second oil pipe; 6. a piston box; 7. a push rod; 71. a piston plate; 8. a transmission rod; 9. a drive plate; 10. a partition plate; 11. an L-shaped rod; 12. a driving motor; 13. a screw; 14. a threaded tube; 15. a slide plate; 16. a rack; 17. a rotating shaft; 18. a gear; 19. a U-shaped plate; 20. a rotating lever; 21. and a blocking shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1-5, an ejection mechanism comprises a base plate 1, a transmission mechanism, a plurality of pushing mechanisms and a driving motor 12, wherein the brackets 2 are fixedly installed on two sides of the base plate 1, the transmission mechanism is installed on the two brackets 2, the pushing mechanisms are located above the transmission mechanism, a first oil pipe 4 and a second oil pipe 5 are respectively installed on the pushing mechanisms, the bottom ends of the first oil pipe 4 and the second oil pipe 5 are connected with the transmission mechanism, the driving motor 12 is fixedly installed at the top of the base plate 1, the driving mechanism is connected on a conveying shaft of the driving motor 12, and one side of the driving mechanism is connected with the transmission mechanism and used for transmitting power of the driving motor 12 to the transmission mechanism.
The transmission mechanism comprises a tubular oil tank 3 fixedly arranged on two brackets 2, a plurality of partition plates 10 are fixedly arranged on the inner wall of the tubular oil tank 3 at equal intervals, the inner part of the tubular oil tank 3 is divided into a plurality of spaces, a plurality of transmission rods 8 are tightly connected with the partition plates 10 in a penetrating and sliding manner, a plurality of transmission plates 9 are fixedly arranged on the transmission rods 8 at equal intervals, the transmission plates 9 are positioned in the corresponding spaces and are in sealing and sliding connection with the inner wall of the tubular oil tank 3, one end of each transmission rod 8 extends to the outer side of the tubular oil tank 3 and is connected with the driving mechanism, the bottom ends of the first oil pipe 4 and the second oil pipe 5 are respectively extended into the tubular oil tank 3 and are respectively fixedly connected with the inner wall of the top of the tubular oil tank 3, the transmission plates 9 are positioned between the corresponding first oil pipe 4 and the second oil pipe 5, and after the transmission rods 8 receive the power of the driving mechanism, the transmission plates 9 can be driven to transversely move in the tubular oil tank 3 in a moving manner in the two side directions of the transmission plates 9, and hydraulic oil can be respectively output by the first oil pipe 4 or the second oil pipe 5 so as to drive the corresponding mechanism to move.
The pushing mechanism comprises a piston box 6 positioned above a tubular oil tank 3, the top end of a first oil pipe 4 extends into the piston box 6 and is fixedly connected with the bottom of one side of the piston box 6, the top end of a second oil pipe 5 extends into the piston box 6 and is fixedly connected with the inner wall of the top of the other side of the piston box 6, a sealing sliding connection and jacking component is arranged in the piston box 6, the top end of the jacking component extends to the upper side of the piston box 6 and is used for ejecting injection molding pieces in an injection molding machine, hydraulic oil in the tubular oil tank 3 is respectively conveyed into the piston box 6 by the first oil pipe 4 or the second oil pipe 5, the jacking component can be driven upwards or downwards, when the jacking component moves upwards, injection molding pieces can be conveniently moved out of the injection molding machine, the jacking component comprises a piston plate 71 which is connected in the piston box 6 in a sealing sliding manner, the piston plate 71 is positioned between the top end of the first oil pipe 4 and the second oil pipe 5, the top end of the piston plate 71 is fixedly provided with a jacking rod 7, the top end of the jacking rod 7 penetrates through the inner wall of the top of the piston box 6 and extends to the upper side of the piston box 6, the top end of the piston box 7 is respectively, and the top end of the jacking component can be provided with a push disc 71 when the hydraulic oil in the injection molding machine is pushed upwards, and the injection molding disc can be pushed upwards by the piston disc 7 by the injection molding machine, and the injection molding disc can be pushed upwards by the hydraulic oil in the injection molding machine.
The application can be used in the field of injection molding machines, and can also be used in other fields suitable for the application.
Example 2
Referring to fig. 2 and 5, an improvement is made on the basis of the first embodiment: an ejection mechanism of an injection molding machine is applied to the field of injection molding machines, the ejection mechanism comprises a sliding plate 15 which is slidably connected to the top of a bottom plate 1, a threaded pipe 14 is fixedly arranged on one side of the sliding plate 15, a screw rod 13 is fixedly arranged on an output shaft of a driving motor 12, one end of the screw rod 13 extends into the threaded pipe 14 and is in threaded connection with the inner wall of the threaded pipe 14, the top of the bottom plate 1 is rotationally connected with a rotating shaft 17, the top of the rotating shaft 17 is connected with a stirring combination, the top of a stirring assembly is connected with one end of a transmission rod 8, a gear 18 is fixedly sleeved on the rotating shaft 17, a rack 16 is fixedly arranged on the other side of the sliding plate 15, the rack 16 is meshed with the gear 18, the driving motor 12 is started to drive the screw rod 13 to rotate, at the moment, the sliding plate 15 can be driven to transversely move along the length direction of the bottom plate 1 under the action of the threaded transmission with the threaded pipe 14, when moving, the slide plate 15 can drive the rack 16 to move, namely, the slide plate can drive the rotating shaft 17 to rotate under the meshing transmission action of the gear 18, then the driving rod 8 can be driven to transversely move under the transmission action of the stirring component, the stirring component comprises a rotating rod 20 fixedly installed at the top end of the rotating shaft 17, a baffle shaft 21 is fixedly installed at one side of the top of the rotating rod 20, an L-shaped rod 11 is fixedly installed at one end of the driving rod 8, the bottom of the L-shaped rod 11 extends to the lower part of the tubular oil tank 3, a U-shaped plate 19 is fixedly installed at one side of the bottom of the L-shaped rod 11, the top end of the baffle shaft 21 extends into the U-shaped plate 19 and is in transmission fit with the inner wall of the U-shaped plate 19, after the rotating shaft 17 rotates, the rotating rod 20 can be driven to rotate 180 DEG, and the baffle shaft 21 can be driven to perform arc-shaped movement at the moment, so that under the transmission fit with the U-shaped plate 19, can drive L type pole 11 and carry out lateral shifting, can transmit driving force of driving motor 12 to transfer on the transfer line 8 for transfer line 8 carries out lateral shifting.
However, as well known to those skilled in the art, the working principle and wiring method of the driving motor 12 are common, and they are all conventional means or common knowledge, and will not be described herein in detail, and any choice may be made by those skilled in the art according to their needs or convenience.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (6)
1. The utility model provides an injection molding machine ejection mechanism, includes bottom plate (1), and the both sides of bottom plate (1) are all fixed mounting has support (2), its characterized in that, this ejection mechanism still includes:
the transmission mechanism is arranged on the two brackets (2);
The plurality of pushing mechanisms are positioned above the transmission mechanism, a first oil pipe (4) and a second oil pipe (5) are respectively arranged on the pushing mechanisms, and the bottom ends of the first oil pipe (4) and the second oil pipe (5) are connected with the transmission mechanism;
The driving motor (12), driving motor (12) fixed mounting is in the top of bottom plate (1), is connected with actuating mechanism on the conveying axle of driving motor (12), and one side of actuating mechanism is connected with drive mechanism for on the power transmission with driving motor (12) to drive mechanism.
2. The ejection mechanism of an injection molding machine according to claim 1, wherein the transmission mechanism comprises a tubular oil tank (3) fixedly mounted on two supports (2), a plurality of partition plates (10) are fixedly mounted on the inner wall of the tubular oil tank (3) at equal intervals, the inner part of the tubular oil tank (3) is divided into a plurality of spaces, a plurality of transmission rods (8) are tightly connected with the partition plates (10) in a penetrating sliding manner, a plurality of transmission plates (9) are fixedly arranged on the transmission rods (8) at equal intervals, the transmission plates (9) are located in the corresponding spaces and are in sealing sliding connection with the inner wall of the tubular oil tank (3), one ends of the transmission rods (8) extend to the outer side of the tubular oil tank (3) and are connected with the driving mechanism, the bottom ends of the first oil pipe (4) and the bottom ends of the second oil pipes (5) extend into the tubular oil tank (3) and are fixedly connected with the inner wall at the top of the tubular oil tank (3), and the transmission plates (9) are located between the corresponding first oil pipe (4) and the second oil pipe (5).
3. The ejection mechanism of an injection molding machine according to claim 1, wherein the pushing mechanism comprises a piston box (6) located above the tubular oil tank (3), the top end of the first oil pipe (4) extends into the piston box (6) and is fixedly connected with the bottom of one side of the piston box (6), the top end of the second oil pipe (5) extends into the piston box (6) and is fixedly connected with the inner wall of the top of the other side of the piston box (6), the piston box (6) is internally connected with an ejection assembly in a sealing sliding manner, and the top end of the ejection assembly extends above the piston box (6) and is used for ejecting injection molding pieces in the injection molding machine.
4. An ejector mechanism for an injection molding machine according to claim 3, wherein the ejector assembly comprises a piston plate (71) which is connected in the piston box (6) in a sealing sliding manner, the piston plate (71) is positioned between the top end of the first oil pipe (4) and the second oil pipe (5), an ejector rod (7) is fixedly arranged at the top of the piston plate (71), the top end of the ejector rod (7) penetrates through the top inner wall of the piston box (6) and extends to the upper side of the piston box (6), and a pushing disc is fixedly arranged at the top end of the ejector rod (7).
5. The ejection mechanism of an injection molding machine according to claim 1, wherein the driving mechanism comprises a sliding plate (15) which is slidably connected to the top of the bottom plate (1), a threaded pipe (14) is fixedly installed on one side of the sliding plate (15), a screw (13) is fixedly installed on an output shaft of the driving motor (12), one end of the screw (13) extends into the threaded pipe (14) and is in threaded connection with the inner wall of the threaded pipe (14), a rotating shaft (17) is rotatably connected to the top of the bottom plate (1), a stirring combination is connected to the top of the rotating shaft (17), the top of the stirring assembly is connected with one end of the transmission rod (8), a gear (18) is fixedly sleeved on the rotating shaft (17), a rack (16) is fixedly installed on the other side of the sliding plate (15), and the rack (16) is meshed with the gear (18).
6. The ejection mechanism of an injection molding machine according to claim 5, wherein the stirring assembly comprises a rotating rod (20) fixedly installed at the top end of the rotating shaft (17), a blocking shaft (21) is fixedly installed on one side of the top of the rotating rod (20), an L-shaped rod (11) is fixedly installed at one end of the transmission rod (8), the bottom of the L-shaped rod (11) extends to the lower side of the tubular oil tank (3), a U-shaped plate (19) is fixedly installed on one side of the bottom of the L-shaped rod (11), and the top end of the blocking shaft (21) extends into the U-shaped plate (19) and is in transmission fit with the inner wall of the U-shaped plate (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322792875.7U CN221089850U (en) | 2023-10-18 | 2023-10-18 | Ejection mechanism of injection molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322792875.7U CN221089850U (en) | 2023-10-18 | 2023-10-18 | Ejection mechanism of injection molding machine |
Publications (1)
Publication Number | Publication Date |
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CN221089850U true CN221089850U (en) | 2024-06-07 |
Family
ID=91329117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322792875.7U Active CN221089850U (en) | 2023-10-18 | 2023-10-18 | Ejection mechanism of injection molding machine |
Country Status (1)
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CN (1) | CN221089850U (en) |
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2023
- 2023-10-18 CN CN202322792875.7U patent/CN221089850U/en active Active
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